?url_ver=Z39.88-2004&rft_id=10.1109%2FICTKE.2012.6152418&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=P.&rft.au=Vasant%2C+P.&rft.aulast=Vasant&rft.issn=21570981&rft.isbn=9781457721601&rft.title=An+improved+PSO+approach+for+solving+non-convex+optimization+problems&rft.date=2011&rft.genre=proceeding